No.007:Reverse Integer】的更多相关文章

问题: Reverse digits of an integer.Example1:x = 123, return 321Example2:x = -123, return -321 官方难度: Easy 翻译: 将一个整数倒转输出. 例子: 整数:123,倒转输出:321. 整数:-123,倒转输出:-321. 给定例子中,存在负数情况,将负数的输入转化成整数统一讨论,同时记录负数标志位,在返回时使用. 优先获取整数的位数,有两种方法:第一种是根据定义出发,循环将输入数字除以10,累加次数.这…
题目:Reverse Integer 难度:Easy 题目内容: Given a 32-bit signed integer, reverse digits of an integer. Note:Assume we are dealing with an environment which could only hold integers within the 32-bit signed integer range. For the purpose of this problem, assum…
Question:Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have already thought through this! If the…
1. Reverse Integer 题目链接 题目要求: Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return -321 click to show spoilers. Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if…
Reverse Integer Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 click to show spoilers. Have you thought about this? Here are some good questions to ask before coding. Bonus points for you if you have alread…
7. Reverse Integer 官方的链接:7. Reverse Integer Description : Given a 32-bit signed integer, reverse digits of an integer. Example1: Input: 123 Output: 321 Example2: Input: -123 Output: -321 Example3: Input: 120 Output: 21 Note: Assume we are dealing wit…
导航页-LeetCode专题-Python实现 相关代码已经上传到github:https://github.com/exploitht/leetcode-python 文中代码为了不动官网提供的初始几行代码内容,有一些不规范的地方,比如函数名大小写问题等等:更合理的代码实现参考我的github repo 1.读题 Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return -321…
[Q7]  把数倒过来 Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: -123 Output: -321 Example 3: Input: 120 Output: 21 Solution: https://leetcode.com/problems/reverse-integer/discuss/229800/Pyt…
题目: 颠倒整数 将一个整数中的数字进行颠倒,当颠倒后的整数溢出时,返回 0 (标记为 32 位整数). 样例 给定 x = 123,返回 321 给定 x = -123,返回 -321 解题: 直接反转,越界处理好炒蛋 Java程序: public class Solution { /** * @param n the integer to be reversed * @return the reversed integer */ public int reverseInteger(int n…
题目: Reverse digits of an integer. Example1: x = , return Example2: x = -, return - 思路:递归 解答: / test cases passed. Status: Accepted Runtime: ms Submitted: minutes ago 这个方法比较糟糕,时间太长用到递归但又没利用函数的返回值,中间还需要借助字符串过渡. public class Solution { StringBuilder res…